VB 632 then CZ 2508 at O'Hare
Monterrey → Chicago → Shanghai
Timetable, Chicago time
22:55VB 632 from Monterrey at the gate
20:50CZ 2508 to Shanghai leaves the gate
21 h 55 apart on the timetable, overnight
CZ 2508 leaves 21 h 55 after VB 632 arrives on the timetable: more than half a day, so not a connection we count.